Compound Interest Calculator
CD 3-year Account from Old Second National Bank with 4.25% APY and $1,000 minimum deposit



Use or Change These Amounts and Rates

The product CD 3-year Account from Old Second National Bank with 4.25% APY and $1,000 minimum deposit and a tax rate of 30 compounded annually, with an initial amount of $20,000, after 10 years would have grown your savings to approximately $30,324. The interest earned would be $10,324 and the tax amount on the interest earned would be approximately $3,097.

Please note that this analysis assumes a constant interest rate and doesn't take into account any fees associated with the savings account.

The Results for Old Second National Bank

Savings Boost of
$6,141 over 10 years
Cash Savings $20,000
Average Interest Earned $1,086

 
Old Second National Bank Interest Earned $7,227

 

 

See comparison detail table

This analysis is for demonstrative purposes only and may change should certain assumptions prove incorrect. Savings rates may change and CD rates may not be renewable for the length of the term of the analysis. The difference between the bank rate entered and the average rate may not remain constant throughout the term.

Comparison Detail Table Close X

Average Rate Scenario

Rate:
0.75%
Annual
Interest
Annual Interest
(After Tax)
1 20,000 150 105
2 20,150 151 106
3 20,301 152 107
4 20,453 153 107
5 20,607 155 108
6 20,761 156 109
7 20,917 157 110
8 21,074 158 111
9 21,232 159 111
10 21,391 160 112
TOTAL: $1,552 $1,086

Old Second National Bank Scenario

Rate:
4.25%
Annual
Interest
Annual Interest
(After Tax)
1 20,000 850 595
2 20,850 886 620
3 21,736 924 647
4 22,660 963 674
5 23,623 1,004 703
6 24,627 1,047 733
7 25,674 1,091 764
8 26,765 1,137 796
9 27,902 1,186 830
10 29,088 1,236 865
TOTAL: $10,324 $7,227

Take Action

The accounts below offer some of the best rates in the country can be opened online, and are available nationally. As the calculator shows, changing accounts to earn a higher interest rate can really add up over time.


Recent Rate Changes



Date APY
September 30, 2024 4.25%
August 31, 2024 4.84%
June 3, 2024 5.09%
December 1, 2023 0.20%


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